제출 #375532

#	제출 시각	아이디	문제	언어	결과	실행 시간	메모리
375532		MilosMilutinovic	Handcrafted Gift (IOI20_gift)	C++14	컴파일 에러	0 ms	0 KiB

gift

#include "gift.h"
#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define pii pair<int,int>
vector<pii> Compress(vector<pii> a){
    vector<pii> ev;
    for(auto i:a){
        ev.pb({i.first,-1});
        ev.pb({i.second,1});
    }
    sort(ev.begin(),ev.end());
    vector<pii> ans;
    int l,bal=0;
    for(auto i:ev){
        if(i.second==-1){
            if(bal==0)l=i.first;
            ++bal;
        }else{
            --bal;
            if(bal==0)ans.pb({l,i.first});
            //if(bal==0)printf("%i %i\n",l,i.first);
        }
    }
    return ans;
}
int construct(int n,int r,vector<int> a,vector<int> b,vector<int> x){
    bool SubTask1=true,SubTask2=true;
    for(int i=0;i<q;i++){
        if(x[i]==1)SubTask2=false;
        else SubTask1=false;
    }
    if(SubTask1){
        string ans="";
        for(int i=0;i<n;i++)ans+='R';
        construct(ans);
        return 1;
    }
    if(SubTask2){
        for(int i=0;i<q;i++)if(a[i]==b[i])return 0;
        string ans="";
        for(int i=0;i<n;i++)ans+=(i%2?'R':'B');
        construct(ans);
        return 1;
    }
    string ans="";
    for(int i=0;i<n;i++)ans+='R';
    vector<pii> zer,one;
    for(int i=0;i<r;i++){
        if(x[i]==2&&a[i]==b[i])return 0;
        if(x[i]==1)zer.pb({a[i],b[i]});
        else one.pb({a[i],b[i]});
    }
    zer=Compress(zer);
    one=Compress(one);
    for(int i=0;i<(int)one.size();i++)ans[one[i].first]='B';
    craft(ans);
    return 1;
}

컴파일 시 표준 에러 (stderr) 메시지

gift.cpp: In function 'int construct(int, int, std::vector<int>, std::vector<int>, std::vector<int>)':
gift.cpp:29:19: error: 'q' was not declared in this scope
   29 |     for(int i=0;i<q;i++){
      |                   ^
gift.cpp:36:19: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int'
   36 |         construct(ans);
      |                   ^~~
      |                   |
      |                   std::string {aka std::__cxx11::basic_string<char>}
gift.cpp:27:19: note:   initializing argument 1 of 'int construct(int, int, std::vector<int>, std::vector<int>, std::vector<int>)'
   27 | int construct(int n,int r,vector<int> a,vector<int> b,vector<int> x){
      |               ~~~~^
gift.cpp:40:23: error: 'q' was not declared in this scope
   40 |         for(int i=0;i<q;i++)if(a[i]==b[i])return 0;
      |                       ^
gift.cpp:43:19: error: cannot convert 'std::string' {aka 'std::__cxx11::basic_string<char>'} to 'int'
   43 |         construct(ans);
      |                   ^~~
      |                   |
      |                   std::string {aka std::__cxx11::basic_string<char>}
gift.cpp:27:19: note:   initializing argument 1 of 'int construct(int, int, std::vector<int>, std::vector<int>, std::vector<int>)'
   27 | int construct(int n,int r,vector<int> a,vector<int> b,vector<int> x){
      |               ~~~~^